The concept of 'environmental carrying capacity' has long been central to ecological theory, yet its application to human societies remains contentious. Unlike non-human populations, human societies can modify their environment through technology and trade, potentially raising their carrying capacity. However, such modifications often generate unforeseen consequences, such as resource depletion and pollution, which may undermine long-term sustainability. Recent studies suggest that while technological innovation can temporarily alleviate pressure on natural systems, it does not eliminate the fundamental limits imposed by finite planetary resources. This has led some scholars to argue for a 'social carrying capacity' that incorporates not only biophysical constraints but also cultural and economic factors influencing consumption patterns. Critics, however, contend that this concept is too vague to be empirically tested, and that focusing on limits may discourage necessary technological optimism. The debate reflects a broader tension between environmental determinism and human agency in sustainability discourse.
❓ What is the main point the author makes about technological innovation in relation to carrying capacity?
A. It permanently raises the Earth's carrying capacity for humans.
B. It only provides a temporary solution and does not remove ultimate resource limits.
C. It has no effect on human societies' ability to exceed ecological limits.
D. It is the most reliable way to achieve long-term sustainability.
✅ 正确答案
It only provides a temporary solution and does not remove ultimate resource limits.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
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